References

Natural gas pipeline 22. relocation of pipeline 10/10, Graben-Neudorf, SEW

Natural gas pipeline 22. relocation of pipeline 10/10, Graben-Neudorf, SEW

Open Grid Europe GmbH

Dipl.-Ing. Gerd-Dieter Berentzen

05/2016

5 months

Diameter: 508.0 x 8.8 mm / 10.0 mm and 914.0 x 12.5 mm

Design pressure: 100 bar

Welding process: E- Hand

Length: 300 m

Material: L 360 NB / L 485 NB

Site preparation and clearance

Shoring work

Pipe transportation and export

Wrapping work

KKS work

Surface and paving work

Dewatering work

Pipe trench excavation and backfilling

Welding and pipe construction work

Pressure test

Laying telecommunications cable

Insulation work

Relocation of a DN 500 high-pressure gas pipeline, including pipe jacking and open DN 900 casing pipe laying